/* $Id: index.js 15469 2008-12-19 06:34:44Z testyang $ */
var best_str = new Object();
var new_str = new Object();
var hot_str = new Object();

function init_rec_data() {
	best_str[0] = document.getElementById("show_best_area") == null ? ''
			: document.getElementById("show_best_area").innerHTML;
	new_str[0] = document.getElementById("show_new_area") == null ? ''
			: document.getElementById("show_new_area").innerHTML;
	hot_str[0] = document.getElementById("show_hot_area") == null ? ''
			: document.getElementById("show_hot_area").innerHTML;
}

function get_cat_recommend(rec_type, cat_id) {
	if (rec_type == 1) {
		if (typeof (best_str[cat_id]) == "string") {
			document.getElementById("show_best_area").innerHTML = best_str[cat_id];
			return;
		}
	} else if (rec_type == 2) {
		if (typeof (new_str[cat_id]) == "string") {
			document.getElementById("show_new_area").innerHTML = new_str[cat_id];
			return;
		}
	} else {
		if (typeof (hot_str[cat_id]) == "string") {
			document.getElementById("show_hot_area").innerHTML = hot_str[cat_id];
			return;
		}
	}
	Ajax.call('index.php?act=cat_rec', 'rec_type=' + rec_type + '&cid='
			+ cat_id, cat_rec_response, "POST", "TEXT");
}

function cat_rec_response(result) {
	var res = result.parseJSON();
	if (res.type == 1) {
		var ele = document.getElementById("show_best_area");
		best_str[res.cat_id] = res.content;
	} else if (res.type == 2) {
		var ele = document.getElementById("show_new_area");
		new_str[res.cat_id] = res.content;
	} else {
		var ele = document.getElementById("show_hot_area");
		hot_str[res.cat_id] = res.content;
	}
	ele.innerHTML = res.content;
}

if (document.all) {
	window.attachEvent("onload", init_rec_data);
} else {
	window.addEventListener("load", init_rec_data, false);
}

function change_tab_style(item, elem, obj) {
	elem = elem.toUpperCase();
	var itemObj = document.getElementById(item);
	var elems = itemObj.getElementsByTagName(elem);
	var _o = obj.parentNode;
	while (_o.nodeName != elem) {
		_o = _o.parentNode;
	}
	for ( var i = 0, l = elems.length; i < l; i++) {
		elems[i].className = 'h2bg';
	}
	_o.className = '';
}